Shaun McElwaine, on behalf of Cambria Green Agriculture and Tourism Management, disputed many points focussed on by representors, such as errors or inconsistencies in evidence and discrepancies in letters of consent.

Mr McElwaine wrote that information in the submissions was repetitive and ignored evidence that had been identified by the applicants.

He said part of the submission focussing on Cambria Green Agriculture Development Pty Ltd made by Greens leader Cassy O'Connor was "of no merit".

"The document signed by Mr Liu Kejing dated 19 March 2018 is clear evidence that the Management Company acted as the agent of the landowner and with the express knowledge, of the landowner and that Ireneinc was appointed as the consultant by the Management Company acting as the agent of the landowner."

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EDO Tasmania, on behalf of East Coast Alliance, said there was insufficient evidence that Shenglong Investments, one of the landowning companies, gave consent.

Mr McElwaine said the submission was "misconceived in the insistence that there must be specific evidence in writing of the appointment of an agent or evidence from each of the directors that a particular decision was made, in order for it to be legally effective".

"For all of these reasons, there is no merit in any of the jurisdictional contentions, and the TPC should so find," his response submission concluded.

The proposed $140 million development at Dolphin Sands would include 139 villas and units at the Cambria Homestead Precinct, 161 units and villas along the river, an 80-unit health retreat, golf course, 20 accommodation units at the golf range, and a 150-room resort.

It would also include community meeting and entertainment facilities, crematoria and cemeteries, educational and occasional care, boating, sport and recreation facilities.

To view all submissions from the applicants and representors, visit the iPlan website.